Diffusion Engineers shareholders and shareholding pattern

NSE: DIFFNKGBSE: 544264Industrial ProductsSmall Cap

₹394.35₹4.05 (1.02%)BSE ₹394.10

Share price at the NSE close on 23 Oct 2026. Previous close ₹398.40.

52-week range of traded prices to 23 Oct 2026

₹216.80Low, 19 Mar 2026₹519.90High, 4 Sep 2026

Market cap: ₹1,476 Cr1,428th largest listed
P/E: 27.0
P/B: 3.6
Dividend yield: 0.38%
ROE: 14.1%
ROCE: 12.3%
Debt to equity: 0.07
Volume, NSE: 96,80550.7% delivered

Who owns Diffusion Engineers, filing by filing

Per cent of the company's shares. Every filing on record, from Dec 2024; the latest is the filing for Sep 2026.

Sep 2026 filing

Promoters69.76%
Foreign institutions1.17%
Indian institutions8.45%
Individuals and others19.82%
Employee trusts0.80%

Shareholding pattern, per cent

Promoters
Foreign institutions
Indian institutions
Individuals and others
Employee trusts

Per cent	Dec 2024Filed 16 Jan	Mar 2025Filed 21 Apr	Jun 2025Filed 12 Jul	Sep 2025Filed 14 Oct	Dec 2025Filed 19 Jan	Mar 2026Filed 9 Apr	Jun 2026Filed 10 Jul	Sep 2026Filed 13 Oct
	69.70%	69.70%	69.70%	69.70%	69.70%	69.76%	69.76%	69.76%
Indian promoters	69.70%	69.70%	69.70%	69.70%	69.70%	69.76%	69.76%	69.76%
	30.30%	30.30%	30.30%	30.30%	29.50%	29.44%	29.44%	29.44%
	1.38%	0.02%	0.67%	0.57%	0.14%	0.41%	0.72%	1.17%
Foreign portfolio investors, category I	1.38%	0.01%	0.67%	0.53%	0.14%	0.12%	0.11%	0.09%
Foreign portfolio investors, category II	0.00%	0.01%	–	0.04%	0.00%	0.29%	0.61%	1.09%
	8.56%	8.97%	7.92%	7.50%	6.80%	8.13%	8.41%	8.45%
Mutual funds	3.21%	3.21%	2.80%	2.46%	2.46%	2.46%	2.46%	2.46%
Insurance companies	0.02%	0.03%	–	–	0.00%	0.00%	0.00%	0.00%
Alternative investment funds	5.33%	5.74%	5.12%	5.04%	4.34%	5.67%	5.96%	5.99%
	20.36%	21.31%	21.70%	22.23%	22.56%	20.90%	20.31%	19.82%
Resident individuals, up to ₹2 lakh at face value	7.93%	7.99%	8.75%	10.47%	10.12%	10.62%	10.59%	10.99%
Resident individuals, over ₹2 lakh at face value	6.29%	7.79%	6.42%	5.17%	5.98%	5.40%	5.03%	4.09%
Companies	4.18%	4.50%	5.37%	5.18%	5.01%	3.36%	3.09%	3.30%
Non-resident Indians	0.31%	0.31%	0.44%	0.54%	0.49%	0.44%	0.57%	0.49%
Key managers	0.03%	0.03%	0.03%	0.02%	0.02%	0.02%	0.02%	0.02%
	1.62%	0.69%	0.70%	0.85%	0.93%	1.06%	1.01%	0.93%
Clearing Members	0.99%	0.04%	0.05%	0.07%	0.05%	0.04%	0.04%	0.01%
Hindu undivided families	0.63%	0.65%	0.64%	0.73%	0.83%	1.01%	0.95%	0.90%
Trusts	Under 0.01%	Under 0.01%	Under 0.01%	Under 0.01%	Under 0.01%	Under 0.01%	Under 0.01%	Under 0.01%
Unclaimed or Suspense or Escrow Account	–	–	–	0.04%	0.04%	0.01%	0.01%	0.01%
Firm	–	–	–	Under 0.01%	Under 0.01%	Under 0.01%	Under 0.01%	0.01%
LLP	–	–	–	–	–	–	–	Under 0.01%
Employee trusts	0.00%	0.00%	–	–	0.80%	0.80%	0.80%	0.80%
Shares in issue	3,74,26,259	3,74,26,259	3,74,26,259	3,74,26,259	3,74,26,259	3,74,26,259	3,74,26,259	3,74,26,259
Shares locked in	2,80,18,835	2,80,18,835	2,39,79,291	2,39,79,291	75,23,000	75,23,000	75,23,000	75,23,000
Promoters' shares locked in	2,60,86,970	2,60,86,970	2,39,79,291	2,39,79,291	75,23,000	75,23,000	75,23,000	75,23,000

A dash is a line the filing did not state. “Under 0.01%” is a holding of shares too small to show at two decimals.

Number of Diffusion Engineers shareholders

Shareholders on the company's register in each filing.

Shareholders, filing by filing

Shareholders	Dec 2024Filed 16 Jan	Mar 2025Filed 21 Apr	Jun 2025Filed 12 Jul	Sep 2025Filed 14 Oct	Dec 2025Filed 19 Jan	Mar 2026Filed 9 Apr	Jun 2026Filed 10 Jul	Sep 2026Filed 13 Oct
All shareholders	23,737	23,281	22,455	23,168	22,662	22,256	21,849	22,674
	5	5	5	5	5	5	5	6
Indian promoters	5	5	5	5	5	5	5	6
	23,732	23,276	22,450	23,163	22,656	22,250	21,843	22,667
	2	3	2	3	1	4	7	8
Foreign portfolio investors, category I	2	2	2	2	1	2	5	4
Foreign portfolio investors, category II	0	1	–	1	0	2	2	4
	3	5	5	4	5	5	10	10
Mutual funds	1	1	1	1	1	1	1	1
Insurance companies	1	1	–	–	0	0	0	0
Alternative investment funds	1	3	4	3	4	4	9	9
	23,727	23,268	22,443	23,156	22,650	22,241	21,826	22,649
Resident individuals, up to ₹2 lakh at face value	23,017	22,536	21,681	22,282	21,744	21,348	20,897	21,649
Resident individuals, over ₹2 lakh at face value	25	29	30	23	29	25	24	21
Companies	91	88	95	107	103	100	92	111
Non-resident Indians	125	134	151	200	207	187	231	261
Key managers	2	2	2	2	2	2	2	2
	467	479	484	542	565	579	580	605
Clearing Members	14	9	10	14	12	11	14	5
Hindu undivided families	452	469	473	525	550	565	563	594
Trusts	1	1	1	1	1	1	1	1
Unclaimed or Suspense or Escrow Account	–	–	–	1	1	1	1	2
Firm	–	–	–	1	1	1	1	1
LLP	–	–	–	–	–	–	–	2
Employee trusts	0	0	–	–	1	1	1	1

A dash is a line the filing did not state.

Diffusion Engineers promoters

Promoters are the founders, families and companies that control the company, as its filings name them. Every member of the promoter group holding shares in the filing for Sep 2026; the largest is PRASHANT GARG, 27.96%. The filing names 40 more members with no shares.Promoter buying and selling

Holder
PRASHANT GARGIndividuals and Hindu undivided families	27.96%	1,04,65,199	35.94%
NITIN GARGIndividuals and Hindu undivided families	19.78%	74,03,221	50.81%
CHITRA GARGIndividuals and Hindu undivided families	16.38%	61,30,971	0.00%
N K GARG HUFIndividuals and Hindu undivided families	5.57%	20,85,279	0.00%
NEELU PRASHANT GARGIndividuals and Hindu undivided families	0.06%	22,400	0.00%
NITIN NARENDRA KUMAR GARGIndian companies, trusts and others	0.00%	125	0.00%

No promoter shares are reported as pledged. Locked in is the share of the holder's own shares that cannot be sold yet, as after a listing or an allotment.

Largest public holders of Diffusion Engineers, filing by filing

Per cent, on the same shares as the split above.

Holder	Dec 2024Filed 16 Jan	Mar 2025Filed 21 Apr	Jun 2025Filed 12 Jul	Sep 2025Filed 14 Oct	Dec 2025Filed 19 Jan	Mar 2026Filed 9 Apr	Jun 2026Filed 10 Jul	Sep 2026Filed 13 Oct
NEGEN UNDISCOVERED VALUE FUNDAlternative investment funds	–	–	–	–	2.14%	3.72%	3.80%	3.80%
JATINDER JAGDISHRAI AGARWALResident individuals, over ₹2 lakh at face value	–	–	1.20%	1.20%	1.20%	1.20%	1.20%	1.20%
3P INDIA EQUITY FUND 1Alternative investment funds	5.33%	5.33%	4.63%	4.63%	2.16%	1.85%	–	–
SHREE CAPITAL SERVICES LTDCompanies	2.28%	2.28%	2.28%	2.28%	2.24%	–	–	–

A filing names every holder above one per cent, in the company's own words: an insurer's holding can carry one of its funds' names. A dash is a filing that did not name the holder, which includes holding under one per cent.